Medical Dictionary

tetramethylammonium

noun tet·ra·meth·yl·am·mo·ni·um \ˌte-trə-ˌmeth-əl-ə-ˈmō-nē- əm\

Medical Definition of TETRAMETHYLAMMONIUM

:  the quaternary ammonium ion (CH3)4N+ containing four methyl groups

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